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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    <title>Document</title>
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<body>
    <script>
        // 第九题
        function box(obj) {
            obj.name = 'zs';
            var obj = new Object();
            obj.name = 'ls';
        }
        var obj = new Object();
        box(obj);
        console.log(obj.name); // zs
    </script>
</body>

</html>